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Robots.txt 文件应放在哪里？

Robots.txt文件应放在网站的根目录下。

Public @ 2023-06-23 19:50:03

Apache IIS/.net 制作404页面

Apache服务器上创建404页面： 1. 创建一个新文本文件，命名为404.html（注意，扩展名必须为html）。 2. 打开这个文件，并添加如下代码： 404页面不在这里抱歉，您正在寻找的页面不在这里请尝试检查您输入的URL或联系网站管理员。 3. 保存文件并将其上传到您的网站根目录下的相

Public @ 2023-04-17 19:50:47

robots.txt文件的格式

robots.txt文件的格式为： User-agent: [user-agent-name] Disallow: [URL path] 其中，[user-agent-name]指代搜索引擎爬虫的名称，[URL path]指代禁止访问的URL路径。在文件中可以定义多条User-agent和Disallow规则，每一条规则占一行，每一对规则之间要有一个空行。示例： User-agent: *

Public @ 2023-05-28 01:50:08

robots

robots是网站跟爬虫间的协议，用简单直接的txt格式文本方式告诉对应的爬虫被允许的权限，也就是说robots.txt是搜索引擎中访问网站的时候要查看的第一个文件。当一个搜索蜘蛛访问一个站点时，它会首先检查该站点根目录下是否存在robots.txt，如果存在，搜索机器人就会按照该文件中的内容来确定访问的范围;如果该文件不存在，所有的搜索蜘蛛将能够访问网站上所有没有被口令保护的页面。来源：360站

Public @ 2014-01-16 16:09:19

什么是meta robots 标签？meta robots 标签的写法

网站上有些页面不希望被搜索引擎收录，我们可以使用robots的文件或者meta robots 标签。什么是meta robots 标签？meta robots 标签是页面head部分meta标签的一种，用于指令搜索引擎禁止索引（收录）本页内容。meta robots 标签的写法：<meta name=”robots”content=”noindex,nofollow”>标签的意义：禁止

Public @ 2012-07-08 16:09:26

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基本文件流程错误 SQL 调试

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/www/wwwroot/briline.net/thinkphp/library/think/paginator/driver/Bootstrap.php ( 5.90 KB )
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[ DB ] CONNECT:[ UseTime:0.020536s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.014875s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 9329 LIMIT 1 [ RunTime:0.014268s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'const', 'possible_keys' => 'PRIMARY', 'key' => 'PRIMARY', 'key_len' => '4', 'ref' => 'const', 'rows' => 1, 'extra' => NULL, ) ]
[ SQL ] select * from `ob_article_tongji` where category_id=12 and mark_type='cate' order by times desc limit 15 [ RunTime:0.015874s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article_tongji', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 608, 'extra' => 'Using where; Using filesort', ) ]
[ SQL ] select * from `ob_article_tongji` where category_id=12 and mark_type='tags' order by times desc limit 100 [ RunTime:0.014334s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article_tongji', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 608, 'extra' => 'Using where; Using filesort', ) ]
[ SQL ] select * from `ob_article_tongji` where category_id=12 and mark_type='tags' order by rand() limit 30 [ RunTime:0.014567s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article_tongji', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 608, 'extra' => 'Using where; Using temporary; Using filesort', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 9329 LIMIT 1 [ RunTime:0.013836s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'const', 'possible_keys' => 'PRIMARY', 'key' => 'PRIMARY', 'key_len' => '4', 'ref' => 'const', 'rows' => 1, 'extra' => NULL, ) ]
[ SQL ] update `ob_article` set views=views+2 where id=9329 [ RunTime:0.016676s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海网站结构优化' AND `status` <> -1 LIMIT 1 [ RunTime:0.020566s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 8035, 'extra' => 'Using where', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海网站结构优化' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.035703s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 8035, 'extra' => 'Using where; Using temporary; Using filesort', ) ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `tags` = '威海Robots' AND `status` <> -1 LIMIT 1 [ RunTime:0.022452s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 8035, 'extra' => 'Using where', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `category_id` = 12 AND `tags` = '威海Robots' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.030798s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 8035, 'extra' => 'Using where; Using temporary; Using filesort', ) ]

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